Enter stringstream into shellexecute?

Hey I have been trying to make a small program that runs a bit of CMD. The only problem was that the file location has quotation marks in it. I am unsure how to include these, since system(""C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --proxy-server=190.151.8.246:8080") will not work because of the quotes.

After lots of looking around, I found I could pass the quotes into a line using a stringstream like this